diff options
Diffstat (limited to 'lib/am/depend2.am')
| -rw-r--r-- | lib/am/depend2.am | 32 |
1 files changed, 4 insertions, 28 deletions
diff --git a/lib/am/depend2.am b/lib/am/depend2.am index 80d41854b..5c6439ad6 100644 --- a/lib/am/depend2.am +++ b/lib/am/depend2.am @@ -27,34 +27,10 @@ ## the "if AMDEP" chunk is prefix with @AMDEP_TRUE@ just like for any ## other configure-time conditional. ## -## We do likewise for %FASTDEP%; this expands to an ordinary -## configure-time conditional. %FASTDEP% is used to speed up the -## common case of building a package with gcc 3.x. In this case we -## can skip the use of depcomp and easily inline the dependency -## tracking. - -## Verbosity of FASTDEP rules -## -------------------------- -## (1) Some people want to see what happens during make. They think -## @-commands are evil because hiding things hinders debugging. -## (2) Other people want to see only the important commands--those that -## may produce diagnostics, such as compiler invocations. They -## do not care about build details such as dependency generation -## (the if/then/else machinery in FASTDEP rules). Their point is -## that it is hard to spot diagnostics in a verbose output. -## (3) Other people want "make -s" to work as expected: silently. -## This way they can spot any diagnostic really easily. -## -## The second point suggests we hide rules with @ and that we 'echo' -## only the relevant parts. However this goes against the two others. -## There are regular complaints about this on the mailing list, but -## it's hard to please everybody. On April 2003, William Fulton (from -## clan (3)) and Karl Berry (from clan (2)) agreed that folding the -## compile rules so that they are output on a single line (instead of 5) -## would be a good compromise. Actually we use two lines rather than one, -## because this way %SOURCE% is always located at the end of the first -## line and is therefore easier to spot. (We need an extra line when -## depbase is used.) +## We do likewise for %FASTDEP%; this expands to an ordinary configure-time +## conditional. %FASTDEP% is used to speed up the common case of building +## a package with gcc 3.x or later. In this case we can skip the use of +## depcomp and easily inline the dependency tracking. if %?NONLIBTOOL% ?GENERIC?%EXT%.o: |